Centrifugal machine.



- tionary position.

/the given speed. A suitable, casing a: in- `closes the drum and isprovided in its bottom invented a new and 'through a centrifugal machinewith a vertifor separating other materials.

,Urns ornron FERDINAND KAEHL, 0F BERLIN, GERMANY.

To all whom :It may/concern:

Be it known that I, FERDINAND KAEHL, a citizen of the E1n ire ofGermany, residing at Berlin, in the lllmpire of Germany, have usefulCentrifugal Machine, of which the following is a specification.

My invention lrelates to improvements in centrifugalrmachines, in whichthe drum, formed of two oppositely-conical portions and a perforatedringbetween their largest peripheries, is adapted to receive the chargethrough the opening at the one end and to discharge the separated liquidthrough the opening at the other end and the separated solid substancethrough the erforations in the ring; and the objects o my improvementare, rst, to provide an arm stationary on the drum-shaft and 'carrying ascraper which bears on the internal face of the ring of the drum, and,second, to provide means for holding said arm with scraper in a sta- Iattain these objects by the arrangements illustrated in the accompanyingdrawing,

which shows a verticalV longitudinal section cal drum-shaft. Thecentrifugal machine illustrated is chiefly intended for separatingstarch, wheatgluten, and the like Jfrom water and dissolved ingredients;but ofcourse it may be employed The drum consists of twooppositely-conical portions c and b, which are connected with each otherat their largest peripherie/s by a ring c, preferably of a U-shapedcrosssection. They are fastened on the shaft d by means of a spider e.The bottom b2 of the lower conical portion a is preferably formed at itscentral-opening to a flange, as shown. Of course the bottom opening ismade smaller than the opening at the upper end of the conical portion bin accordance with the dot ted curves, which represent the internal surface of the charge rotating with lthe drum at with a stuffing-box d,through which the Specification of Letters Patent.

Application tiled April l1. 1905. Serial llo. 255,020.

shaft d passes. The casing is divided by a 'Geni-mariani mam-ane.

Patented Jan. 8, 1907.

convenient partition cc into a lower receptacle for the liquid starch,wheat-gluten, and

the like and an upper receptacle y for the y separated liquid.-Thearm'g, carrying at its end thc scraper r, is here shown as fastenedon a sleeve t, which loosely surrounds the shaft d and is supported by aconvenient arm u.'

' the charge is conducted from the' vessel w through the bent tube w tothe drum, where it is divided by the centrifugal force. The separatedsolid substance is by the scraper r prevented from choking the outletsi, so it can be thrown out through the outlets 'i of the ring cinto thelower receptacle and thence discharged through the outlet m2, while the.

separatedl liquid flows over into the u per rece tacle y and escapesthrough the out et z.

T c centrifugal machine may be varied without deviating from the spiritof my invention.

What .l claim as 1n i invention, and desire to secure by Letters latent, is p l. In a centrifugal machine, the combination with a drumopen at both ends and formed. of two rotary oppositely-conical portionsof diderent diameter at both ends, which are connected at their largestperipheries, of a shaft, means securing said drum on said shaft whileleaving free passage to the materials to beseparated and discharg d, anarm` stationary on said shaft, means for old- .ing said arm in astationary position, and a scraper on said arm and adapted to scrape theinternal face of saiddrum.

2. ln a centrifugal machine, the combinai tion with a drum havingopenings of unequal diameter at both ends and formed of twooppositely-conical portions and a perforated ring connecting theirlargest peripheries, of a vertical shaft, a spider on said verticalshaft for supporting said drum, means for introducing the materials tobe separated into said drum through its smaller openin below, means forcollecting the separate liquid from said drum at its larger openingabove, means for collecting the separated solidsubfob stance dischargedfrom said drum through i ln testimony whereof I have signed my theperforations of its ring, a sleeve loose on l name to this specificationin the presence or said vertical shaft, means for supporting said i twosubscribing witnesses. sleeve from without, an arm fastened on said iFERDINAND KAEHL. 5 sleeve7 and a scraper on said arm and adaptedNTit'nesses: to scrape the internal face of the perforated HENRYHASP'ER,

ring of said drum. l WALDEMAR HAUPT.

